{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "The current release presents information about reactions and enzymes that take part in the maturation and degradation of tRNA , rRNA and mRNA , and describes pathways in three model organisms : Escherichia coli , Saccharomyces cerevisiae and Homo sapiens ."}
{"Chemical": []}